The internal header file includes the common header files, defines\r
internal structure and functions used by SmmCore module.\r
\r
- Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials are licensed and made available \r
under the terms and conditions of the BSD License which accompanies this \r
distribution. The full text of the license may be found at \r
#include <Protocol/SmmExitBootServices.h>\r
#include <Protocol/SmmLegacyBoot.h>\r
#include <Protocol/SmmReadyToBoot.h>\r
+#include <Protocol/SmmMemoryAttribute.h>\r
+#include <Protocol/SmmSxDispatch2.h>\r
\r
#include <Guid/Apriori.h>\r
#include <Guid/EventGroup.h>\r
#include <Guid/MemoryProfile.h>\r
#include <Guid/LoadModuleAtFixedAddress.h>\r
#include <Guid/SmiHandlerProfile.h>\r
+#include <Guid/EndOfS3Resume.h>\r
+#include <Guid/S3SmmInitDone.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/SmmMemLib.h>\r
\r
#include "PiSmmCorePrivateData.h"\r
+#include "HeapGuard.h"\r
\r
//\r
// Used to build a table of SMI Handlers that the SMM Core registers\r
@param NumberOfPages The number of pages to allocate\r
@param Memory A pointer to receive the base allocated memory\r
address\r
+ @param NeedGuard Flag to indicate Guard page is needed or not\r
\r
@retval EFI_INVALID_PARAMETER Parameters violate checking rules defined in spec.\r
@retval EFI_NOT_FOUND Could not allocate pages match the requirement.\r
IN EFI_ALLOCATE_TYPE Type,\r
IN EFI_MEMORY_TYPE MemoryType,\r
IN UINTN NumberOfPages,\r
- OUT EFI_PHYSICAL_ADDRESS *Memory\r
+ OUT EFI_PHYSICAL_ADDRESS *Memory,\r
+ IN BOOLEAN NeedGuard\r
);\r
\r
/**\r
\r
@param Memory Base address of memory being freed\r
@param NumberOfPages The number of pages to free\r
+ @param IsGuarded Flag to indicate if the memory is guarded\r
+ or not\r
\r
@retval EFI_NOT_FOUND Could not find the entry that covers the range\r
@retval EFI_INVALID_PARAMETER Address not aligned, Address is zero or NumberOfPages is zero.\r
EFIAPI\r
SmmInternalFreePages (\r
IN EFI_PHYSICAL_ADDRESS Memory,\r
- IN UINTN NumberOfPages\r
+ IN UINTN NumberOfPages,\r
+ IN BOOLEAN IsGuarded\r
);\r
\r
/**\r
IN OUT UINTN *CommBufferSize OPTIONAL\r
);\r
\r
+/**\r
+ Software SMI handler that is called when the S3SmmInitDone signal is triggered.\r
+ This function installs the SMM S3SmmInitDone Protocol so SMM Drivers are informed that\r
+ S3 SMM initialization has been done.\r
+\r
+ @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r
+ @param Context Points to an optional handler context which was specified when the handler was registered.\r
+ @param CommBuffer A pointer to a collection of data in memory that will\r
+ be conveyed from a non-SMM environment into an SMM environment.\r
+ @param CommBufferSize The size of the CommBuffer.\r
+\r
+ @return Status Code\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+SmmS3SmmInitDoneHandler (\r
+ IN EFI_HANDLE DispatchHandle,\r
+ IN CONST VOID *Context, OPTIONAL\r
+ IN OUT VOID *CommBuffer, OPTIONAL\r
+ IN OUT UINTN *CommBufferSize OPTIONAL\r
+ );\r
+\r
+/**\r
+ Software SMI handler that is called when the EndOfS3Resume event is trigged.\r
+ This function installs the SMM EndOfS3Resume Protocol so SMM Drivers are informed that\r
+ S3 resume has finished.\r
+\r
+ @param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().\r
+ @param Context Points to an optional handler context which was specified when the handler was registered.\r
+ @param CommBuffer A pointer to a collection of data in memory that will\r
+ be conveyed from a non-SMM environment into an SMM environment.\r
+ @param CommBufferSize The size of the CommBuffer.\r
+\r
+ @return Status Code\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+SmmEndOfS3ResumeHandler (\r
+ IN EFI_HANDLE DispatchHandle,\r
+ IN CONST VOID *Context, OPTIONAL\r
+ IN OUT VOID *CommBuffer, OPTIONAL\r
+ IN OUT UINTN *CommBufferSize OPTIONAL\r
+ );\r
+\r
/**\r
Place holder function until all the SMM System Table Service are available.\r
\r
For the SmmChildDispatch protocol, the HandlerGuid\r
must be the GUID of SmmChildDispatch protocol.\r
@param Handler The SMI handler.\r
+ @param Context The context of the SMI handler.\r
+ If it is NOT NULL, it will be used to check what is registered.\r
+ @param ContextSize The size of the context in bytes.\r
+ If Context is NOT NULL, it will be used to check what is registered.\r
\r
@retval EFI_SUCCESS The original record is removed.\r
@retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler.\r
SmiHandlerProfileUnregisterHandler (\r
IN SMI_HANDLER_PROFILE_PROTOCOL *This,\r
IN EFI_GUID *HandlerGuid,\r
- IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler\r
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,\r
+ IN VOID *Context, OPTIONAL\r
+ IN UINTN ContextSize OPTIONAL\r
);\r
\r
-///\r
-/// For generic EFI machines make the default allocations 4K aligned\r
-///\r
-#define EFI_ACPI_RUNTIME_PAGE_ALLOCATION_ALIGNMENT (EFI_PAGE_SIZE)\r
-#define DEFAULT_PAGE_ALLOCATION (EFI_PAGE_SIZE)\r
-\r
extern UINTN mFullSmramRangeCount;\r
extern EFI_SMRAM_DESCRIPTOR *mFullSmramRanges;\r
\r
//\r
#define MAX_POOL_INDEX (MAX_POOL_SHIFT - MIN_POOL_SHIFT + 1)\r
\r
+#define POOL_HEAD_SIGNATURE SIGNATURE_32('p','h','d','0')\r
+\r
typedef struct {\r
- UINTN Size;\r
- BOOLEAN Available;\r
- EFI_MEMORY_TYPE Type;\r
+ UINT32 Signature;\r
+ BOOLEAN Available;\r
+ EFI_MEMORY_TYPE Type;\r
+ UINTN Size;\r
} POOL_HEADER;\r
\r
+#define POOL_TAIL_SIGNATURE SIGNATURE_32('p','t','a','l')\r
+\r
+typedef struct {\r
+ UINT32 Signature;\r
+ UINT32 Reserved;\r
+ UINTN Size;\r
+} POOL_TAIL;\r
+\r
+#define POOL_OVERHEAD (sizeof(POOL_HEADER) + sizeof(POOL_TAIL))\r
+\r
+#define HEAD_TO_TAIL(a) \\r
+ ((POOL_TAIL *) (((CHAR8 *) (a)) + (a)->Size - sizeof(POOL_TAIL)));\r
+\r
typedef struct {\r
POOL_HEADER Header;\r
LIST_ENTRY Link;\r
\r
extern LIST_ENTRY mSmmPoolLists[SmmPoolTypeMax][MAX_POOL_INDEX];\r
\r
+/**\r
+ Internal Function. Allocate n pages from given free page node.\r
+\r
+ @param Pages The free page node.\r
+ @param NumberOfPages Number of pages to be allocated.\r
+ @param MaxAddress Request to allocate memory below this address.\r
+\r
+ @return Memory address of allocated pages.\r
+\r
+**/\r
+UINTN\r
+InternalAllocPagesOnOneNode (\r
+ IN OUT FREE_PAGE_LIST *Pages,\r
+ IN UINTN NumberOfPages,\r
+ IN UINTN MaxAddress\r
+ );\r
+\r
+/**\r
+ Update SMM memory map entry.\r
+\r
+ @param[in] Type The type of allocation to perform.\r
+ @param[in] Memory The base of memory address.\r
+ @param[in] NumberOfPages The number of pages to allocate.\r
+ @param[in] AddRegion If this memory is new added region.\r
+**/\r
+VOID\r
+ConvertSmmMemoryMapEntry (\r
+ IN EFI_MEMORY_TYPE Type,\r
+ IN EFI_PHYSICAL_ADDRESS Memory,\r
+ IN UINTN NumberOfPages,\r
+ IN BOOLEAN AddRegion\r
+ );\r
+\r
+/**\r
+ Internal function. Moves any memory descriptors that are on the\r
+ temporary descriptor stack to heap.\r
+\r
+**/\r
+VOID\r
+CoreFreeMemoryMapStack (\r
+ VOID\r
+ );\r
+\r
+/**\r
+ Frees previous allocated pages.\r
+\r
+ @param[in] Memory Base address of memory being freed.\r
+ @param[in] NumberOfPages The number of pages to free.\r
+ @param[in] AddRegion If this memory is new added region.\r
+\r
+ @retval EFI_NOT_FOUND Could not find the entry that covers the range.\r
+ @retval EFI_INVALID_PARAMETER Address not aligned, Address is zero or NumberOfPages is zero.\r
+ @return EFI_SUCCESS Pages successfully freed.\r
+\r
+**/\r
+EFI_STATUS\r
+SmmInternalFreePagesEx (\r
+ IN EFI_PHYSICAL_ADDRESS Memory,\r
+ IN UINTN NumberOfPages,\r
+ IN BOOLEAN AddRegion\r
+ );\r
+\r
+/**\r
+ Hook function used to set all Guard pages after entering SMM mode.\r
+**/\r
+VOID\r
+SmmEntryPointMemoryManagementHook (\r
+ VOID\r
+ );\r
+\r
#endif\r
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